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      A case series report of hospitalized children with severe acute respiratory syndrome coronavirus-2 infection in Jinan, China

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          Abstract

          In December 2019, the outbreak of novel severe acute respiratory syndrome coronavirus-2 infection was reported in Wuhan, China. The disease has spread rapidly throughout China and the rest of the world. It not only occurred in adults but also in some children. So, in this report, we aimed to clarify the epidemiological, clinical, laboratory, and radiological characteristics; treatment; and outcomes of children infected with severe acute respiratory syndrome coronavirus-2 in Jinan, China, and found that children with severe acute respiratory syndrome coronavirus-2 infection are non-specific and are milder than adults. Asymptomatic infections were common. Chest computed tomographic scanning is helpful for diagnosis. While myocardial creatine kinase–myocardial band was prone to increase in these cases. The prognosis of most cases was better.

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          Isolation of a novel coronavirus from a man with pneumonia in Saudi Arabia.

          A previously unknown coronavirus was isolated from the sputum of a 60-year-old man who presented with acute pneumonia and subsequent renal failure with a fatal outcome in Saudi Arabia. The virus (called HCoV-EMC) replicated readily in cell culture, producing cytopathic effects of rounding, detachment, and syncytium formation. The virus represents a novel betacoronavirus species. The closest known relatives are bat coronaviruses HKU4 and HKU5. Here, the clinical data, virus isolation, and molecular identification are presented. The clinical picture was remarkably similar to that of the severe acute respiratory syndrome (SARS) outbreak in 2003 and reminds us that animal coronaviruses can cause severe disease in humans.
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            Identification of a Novel Coronavirus in Patients with Severe Acute Respiratory Syndrome

            The severe acute respiratory syndrome (SARS) has recently been identified as a new clinical entity. SARS is thought to be caused by an unknown infectious agent. Clinical specimens from patients with SARS were searched for unknown viruses with the use of cell cultures and molecular techniques. A novel coronavirus was identified in patients with SARS. The virus was isolated in cell culture, and a sequence 300 nucleotides in length was obtained by a polymerase-chain-reaction (PCR)-based random-amplification procedure. Genetic characterization indicated that the virus is only distantly related to known coronaviruses (identical in 50 to 60 percent of the nucleotide sequence). On the basis of the obtained sequence, conventional and real-time PCR assays for specific and sensitive detection of the novel virus were established. Virus was detected in a variety of clinical specimens from patients with SARS but not in controls. High concentrations of viral RNA of up to 100 million molecules per milliliter were found in sputum. Viral RNA was also detected at extremely low concentrations in plasma during the acute phase and in feces during the late convalescent phase. Infected patients showed seroconversion on the Vero cells in which the virus was isolated. The novel coronavirus might have a role in causing SARS. Copyright 2003 Massachusetts Medical Society
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              A novel coronavirus associated with severe acute respiratory syndrome.

              A worldwide outbreak of severe acute respiratory syndrome (SARS) has been associated with exposures originating from a single ill health care worker from Guangdong Province, China. We conducted studies to identify the etiologic agent of this outbreak. We received clinical specimens from patients in seven countries and tested them, using virus-isolation techniques, electron-microscopical and histologic studies, and molecular and serologic assays, in an attempt to identify a wide range of potential pathogens. None of the previously described respiratory pathogens were consistently identified. However, a novel coronavirus was isolated from patients who met the case definition of SARS. Cytopathological features were noted in Vero E6 cells inoculated with a throat-swab specimen. Electron-microscopical examination revealed ultrastructural features characteristic of coronaviruses. Immunohistochemical and immunofluorescence staining revealed reactivity with group I coronavirus polyclonal antibodies. Consensus coronavirus primers designed to amplify a fragment of the polymerase gene by reverse transcription-polymerase chain reaction (RT-PCR) were used to obtain a sequence that clearly identified the isolate as a unique coronavirus only distantly related to previously sequenced coronaviruses. With specific diagnostic RT-PCR primers we identified several identical nucleotide sequences in 12 patients from several locations, a finding consistent with a point-source outbreak. Indirect fluorescence antibody tests and enzyme-linked immunosorbent assays made with the new isolate have been used to demonstrate a virus-specific serologic response. This virus may never before have circulated in the U.S. population. A novel coronavirus is associated with this outbreak, and the evidence indicates that this virus has an etiologic role in SARS. Because of the death of Dr. Carlo Urbani, we propose that our first isolate be named the Urbani strain of SARS-associated coronavirus. Copyright 2003 Massachusetts Medical Society
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                Author and article information

                Journal
                SAGE Open Med Case Rep
                SAGE Open Med Case Rep
                SCO
                spsco
                SAGE Open Medical Case Reports
                SAGE Publications (Sage UK: London, England )
                2050-313X
                4 December 2020
                2020
                : 8
                : 2050313X20978018
                Affiliations
                [1 ]Infectious Diseases Department, Qilu Children’s Hospital of Shandong University, Jinan, China
                [2 ]Jinan Infectious Disease Hospital, Shandong University, Jinan, China
                Author notes
                [*]Zhongtao Gai, Infectious Diseases Department, Qilu Children’s Hospital of Shandong University, No. 23976 Jingshi Road, Jinan 250022, China. Email: gaizhongtaoa@ 123456163.com
                Author information
                https://orcid.org/0000-0001-7406-841X
                Article
                10.1177_2050313X20978018
                10.1177/2050313X20978018
                7720293
                46dde99a-885f-43f6-a225-c236dbc03fc0
                © The Author(s) 2020

                This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License ( https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page ( https://us.sagepub.com/en-us/nam/open-access-at-sage).

                History
                : 24 August 2020
                : 10 November 2020
                Categories
                Case Report
                Custom metadata
                January-December 2020
                ts1

                children,severe acute respiratory syndrome coronavirus-2,infection,outside hubei

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